On Mon, Apr 20, 2015 at 6:33 PM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote: > I'm pleased to announce the initial release of the new amdgpu driver. > This is a partial replacement for the radeon driver for newer AMD > asics. A number of components are still shared. Here is a comparison > of the radeon and amdgpu stacks: > > 1. radeon stack > kernel driver: radeon.ko > libdrm: libdrm_radeon > mesa: radeon, r200, r300, r600, radeonsi > ddx: xf86-video-ati > > 2. amdgpu stack > kernel driver: amdgpu.ko > libdrm: libdrm_amdgpu > mesa: radeonsi > ddx: xf86-video-amdgpu > > Older asics will continue to be supported by the radeon stack; new > asics will be supported by the amdgpu stack. CI (Sea Islands) asics > have support in both driver stacks, but this is purely for testing > purposes. CI parts are officially supported in the radeon stack. > Support for CI on the amdgpu stack is determined by a config option in > the kernel. CI support is not enabled by default for amdgpu. > > Most of our focus has been on Carrizo support, so there are some gaps > in the dGPU support for Tonga and Iceland, notably power management. > Those gaps will be filled in eventually. > > Also included in this code base are full register headers for just > about every block on the asics. > > Barring the gaps mentioned above, the driver stack is functionally on > par with radeon including: > - OpenGL 3.3 support using the radeonsi mesa driver > - Video decode support using UVD > - Video encode support using VCE > > The code can be found in the amdgpu branches of the following git trees. > xf86-video-amdgpu: > http://cgit.freedesktop.org/~agd5f/xf86-video-amdgpu/log/?h=amdgpu > libdrm: > http://cgit.freedesktop.org/~agd5f/drm/log/?h=amdgpu > kernel: > http://cgit.freedesktop.org/~agd5f/linux/log/?h=amdgpu > mesa: > http://cgit.freedesktop.org/~mareko/mesa/log/?h=amdgpu > I forgot to mention, the latest ucode can be found here: http://people.freedesktop.org/~agd5f/radeon_ucode/ Alex > To test the new driver stack you will need to specify a device section > in your xorg.conf with the driver set to amdgpu rather than radeon. > > Please review! > > Thanks, > > The AMD Linux Driver Team _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
